Agricultural tractor



FIG. 1 is a side elevation view of an agricultural tractor showing my new design;

FIG. 2 is an elevation view of the opposite side thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof; and

FIG. 5 is a rear elevation view thereof.

The broken lines in the drawing are for illustrative purposes only. 

The ornamental design for an agricultural tractor, as shown and described. 